Windows Analysis Report Delivery note_241493.exe
Overview
General Information
Detection
Score: | 68 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Process Tree |
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Malware Configuration |
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Threatname: GuLoader |
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{"Payload URL": "https://drive.google.com/uc?export=download&id=1kFeDtVEJdXDeWXxK="}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
Sigma Overview |
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No Sigma rule has matched |
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Jbx Signature Overview |
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Click to jump to signature section
AV Detection: |
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Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Source: | Static PE information: |
Networking: |
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C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Process Stats: |
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Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Key opened: |
Source: | Section loaded: |
Source: | Classification label: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
Source: | File source: |
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Malware Analysis System Evasion: |
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Tries to detect virtualization through RDTSC time measurements | Show sources |
Source: | RDTSC instruction interceptor: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Anti Debugging: |
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Found potential dummy code loops (likely to delay analysis) | Show sources |
Source: | Process Stats: |
Source: | Code function: | ||
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Source: | Code function: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Source: | Binary or memory string: | ||
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Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Virtualization/Sandbox Evasion11 | OS Credential Dumping | Security Software Discovery2 | Remote Services | Archive Collected Data1 | Exfiltration Over Other Network Medium | Encrypted Channel1 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Process Injection1 | LSASS Memory | Virtualization/Sandbox Evasion11 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Application Layer Protocol1 | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information1 | Security Account Manager | Process Discovery1 | SMB/Windows Admin Shares | Data from Network Shared Drive | Automated Exfiltration | Steganography | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Local Accounts | At (Windows) | Logon Script (Mac) | Logon Script (Mac) | Binary Padding | NTDS | System Information Discovery11 | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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8% | ReversingLabs |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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No Antivirus matches |
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Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 33.0.0 White Diamond |
Analysis ID: | 502122 |
Start date: | 13.10.2021 |
Start time: | 16:18:08 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 7m 15s |
Hypervisor based Inspection enabled: | false |
Report type: | light |
Sample file name: | Delivery note_241493.exe |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 28 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal68.troj.evad.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
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HCA Information: | Failed |
Cookbook Comments: |
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Warnings: | Show All
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 5.792803239292208 |
TrID: |
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File name: | Delivery note_241493.exe |
File size: | 98304 |
MD5: | ae27dccff11f1c8e17661269d90148b9 |
SHA1: | 365138784e65ad92bc8f05653374348aa4e00788 |
SHA256: | dd739f42791b213769f242efac95b60d0026825d5c882d576533cd8ae57514b6 |
SHA512: | 6757d4c3370e72ee590c7f37ff2f4a5071cf6aadacd6ce7e4730c3e1b4ea8fc36d2206c5994a887347524bfd3134553413a65637f4091c2c35a2ce2bd2c9b159 |
SSDEEP: | 1536:t+DTwpq/hDgCLBytxYxAK1zjzAk1Knpps45QJcs1VlkOO0tFVVOWHZRGD:t+Ypq/hcAytIBfz/1KnppsxJJ1VlkWnc |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........i.......................*..............Rich....................PE..L....{_Q.................@...0...............P....@........ |
File Icon |
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Icon Hash: | 69e1c892f664c884 |
Static PE Info |
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General | |
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Entrypoint: | 0x4012b4 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED |
DLL Characteristics: | |
Time Stamp: | 0x515F7BE1 [Sat Apr 6 01:35:29 2013 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: | 3d3cd1bd8dcc611a5734bf41f4e1a6a6 |
Entrypoint Preview |
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Instruction |
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push 004106D0h |
call 00007F8D90A735D3h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xor byte ptr [eax], al |
add byte ptr [eax], al |
inc eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [esi+3AC426A1h], ah |
popad |
iretd |
dec ebx |
xchg byte ptr [ebp+71h], ah |
test byte ptr [edx-62h], ah |
in eax, 11h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add dword ptr [eax], eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
inc esi |
inc ecx |
push edx |
push edx |
inc ecx |
dec esi |
push esp |
dec esp |
pop ecx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add bh, bh |
int3 |
xor dword ptr [eax], eax |
cmp byte ptr [eax-2CAED641h], dh |
stosd |
mov es, word ptr [edx-7Bh] |
adc eax, esi |
cmp eax, dword ptr [edi+220F3A63h] |
pop edx |
dec edx |
push FFFFFFB9h |
jnle 00007F8D90A73643h |
dec edx |
test byte ptr [eax], ch |
fld dword ptr [ecx+10h] |
in eax, 1Dh |
in al, dx |
cmp cl, byte ptr [edi-53h] |
xor ebx, dword ptr [ecx-48EE309Ah] |
or al, 00h |
stosb |
add byte ptr [eax-2Dh], ah |
xchg eax, ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xchg eax, edx |
int1 |
add byte ptr [eax], al |
adc cl, byte ptr [ecx] |
add byte ptr [eax], al |
add byte ptr [ebx], cl |
add byte ptr [ebp+6Eh], dl |
popad |
je 00007F8D90A73656h |
jnc 00007F8D90A73657h |
xor dword ptr fs:[eax], eax |
or eax, 42000701h |
popad |
jc 00007F8D90A73650h |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x142a4 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x16000 | 0x1c1a | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x230 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0xf0 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0x13698 | 0x14000 | False | 0.508874511719 | data | 6.24728492454 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x15000 | 0xcc4 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x16000 | 0x1c1a | 0x2000 | False | 0.345092773438 | data | 3.68121833479 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
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Name | RVA | Size | Type | Language | Country |
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CUSTOM | 0x1791c | 0x2fe | MS Windows icon resource - 1 icon, 32x32, 16 colors | English | United States |
CUSTOM | 0x1705e | 0x8be | MS Windows icon resource - 1 icon, 32x32, 8 bits/pixel | English | United States |
CUSTOM | 0x16d60 | 0x2fe | MS Windows icon resource - 1 icon, 32x32, 16 colors, 4 bits/pixel | English | United States |
RT_ICON | 0x164b8 | 0x8a8 | data | ||
RT_GROUP_ICON | 0x164a4 | 0x14 | data | ||
RT_VERSION | 0x161a0 | 0x304 | data | English | United States |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaObjSet, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaVarTstLt, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaVarAdd, __vbaVarDup, _CIatan, __vbaStrMove, _allmul, _CItan, _CIexp, __vbaFreeObj, __vbaFreeStr |
Version Infos |
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Description | Data |
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Translation | 0x0409 0x04b0 |
LegalCopyright | ExpressVPN |
InternalName | Tains4 |
FileVersion | 4.00 |
CompanyName | ExpressVPN |
LegalTrademarks | ExpressVPN |
Comments | ExpressVPN |
ProductName | ExpressVPN |
ProductVersion | 4.00 |
FileDescription | ExpressVPN |
OriginalFilename | Tains4.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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English | United States |
Network Behavior |
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No network behavior found |
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Code Manipulations |
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Statistics |
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System Behavior |
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General |
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Start time: | 16:19:08 |
Start date: | 13/10/2021 |
Path: | C:\Users\user\Desktop\Delivery note_241493.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 98304 bytes |
MD5 hash: | AE27DCCFF11F1C8E17661269D90148B9 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
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Reputation: | low |
Disassembly |
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Code Analysis |
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